Skip to Main Content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.

Geographic Information Systems, Maps and Cartographic Information

This research guide is intended to help researchers find GIS data and learning resources.

Online Maps - Includes Open, Governmental, Organizational, University and Commercial Sites

Historical Online Maps

DC, Maryland, and Virginia Maps

GW Libraries • 2130 H Street NW • Washington DC